Fair question -- none of our infrastructure uses 10.15.194.x. In any offline thread someone else believes this is a Dell device (based on the "EMC").
Frank -----Original Message----- From: mailop <mailop-boun...@mailop.org> On Behalf Of Brandon Applegate via mailop Sent: Thursday, June 04, 2020 7:50 PM To: mailop@mailop.org Subject: Re: [mailop] Strange information upon SMTP connection to icloud email server On Thu, Jun 4, 2020 at 8:20 PM Frank Bulk via mailop <mailop@mailop.org> wrote: > > I was reviewing the details on an email deliverability error and I saw the > following recorded by our "check script" when connecting to an icloud.com MX > record: > =============================================== > Trying 17.57.154.7... > > Connected to 17.57.154.7. > > Escape character is '^]'. > > 2020 Jun 4 18:20:48 10.15.194.199 message repeated 82 times: [ BCMSDK - > unit 0 MMU subblock 12 reg EMC_ERROR_1 field > EMC_CSDB_2_UPPER_BUFFER_UNCORRECTED_ERROR(value = 0x8000000) has MMU parity > error] > 2020 Jun 4 18:20:49 10.15.194.199 BCMSDK - unit 0 MMU subblock 12 reg > EMC_ERROR_1 field EMC_CSDB_2_UPPER_BUFFER_UNCORRECTED_ERROR(value = > 0x8000000) has MMU parity error > > > Timeout connecting to '17.57.154.7' > connecting to an icloud.com MX record > =============================================== > Wow, looks like maybe a NIC error message (I’m guessing this based on the “BCMSDK” - Broadcom SDK ?) “bled over” into the smtp connection ? How does that even happen ? Some sort of TCP offload on the host tied in a knot ? Dumb question - forgive me in advance - this wouldn't be from something on your side (i.e. your monitoring box) ? I guess if 10.15.194.199 isn't one of your IP's internally the answer would be no... _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop